casify hash

R=r
DELTA=235  (6 added, 26 deleted, 203 changed)
OCL=22907
CL=22938

10 files changed, 276 insertions, 296 deletions

diff --git a/src/lib/hash/adler32.go b/src/lib/hash/adler32.go
index 4d32fd8d85..22d82bc649 100644
--- a/src/lib/hash/adler32.go
+++ b/src/lib/hash/adler32.go
@@ -19,8 +19,10 @@ export type Digest struct {
 	n int;
 }
 
-const Mod = 65521;
-const Maxiter = 5552;	// max mod-free iterations before would overflow uint32
+const (
+	_Mod = 65521;
+	_MaxIter = 5552;  // max mod-free iterations before would overflow uint32
+)
 
 export func NewDigest() *Digest {
 	return &Digest{1, 0, 0};
@@ -32,9 +34,9 @@ func (d *Digest) Write(p []byte) (nn int, err *os.Error) {
 		a += uint32(p[i]);
 		b += a;
 		n++;
-		if n == Maxiter {
-			a %= Mod;
-			b %= Mod;
+		if n == _MaxIter {
+			a %= _Mod;
+			b %= _Mod;
 			n = 0;
 		}
 	}
@@ -44,9 +46,9 @@ func (d *Digest) Write(p []byte) (nn int, err *os.Error) {
 
 func (d *Digest) Sum32() uint32 {
 	a, b := d.a, d.b;
-	if a >= Mod || b >= Mod {
-		a %= Mod;
-		b %= Mod;
+	if a >= _Mod || b >= _Mod {
+		a %= _Mod;
+		b %= _Mod;
 	}
 	return b<<16 | a;
 }
diff --git a/src/lib/hash/adler32_test.go b/src/lib/hash/adler32_test.go
index 4b5dab929c..92aae5760f 100644
--- a/src/lib/hash/adler32_test.go
+++ b/src/lib/hash/adler32_test.go
@@ -10,43 +10,43 @@ import (
 	"testing";
 )
 
-type Adler32Test struct {
+type _Adler32Test struct {
 	out uint32;
 	in string;
 }
 
-var golden = []Adler32Test {
-	Adler32Test{ 0x1, "" },
-	Adler32Test{ 0x620062, "a" },
-	Adler32Test{ 0x12600c4, "ab" },
-	Adler32Test{ 0x24d0127, "abc" },
-	Adler32Test{ 0x3d8018b, "abcd" },
-	Adler32Test{ 0x5c801f0, "abcde" },
-	Adler32Test{ 0x81e0256, "abcdef" },
-	Adler32Test{ 0xadb02bd, "abcdefg" },
-	Adler32Test{ 0xe000325, "abcdefgh" },
-	Adler32Test{ 0x118e038e, "abcdefghi" },
-	Adler32Test{ 0x158603f8, "abcdefghij" },
-	Adler32Test{ 0x3f090f02, "Discard medicine more than two years old." },
-	Adler32Test{ 0x46d81477, "He who has a shady past knows that nice guys finish last." },
-	Adler32Test{ 0x40ee0ee1, "I wouldn't marry him with a ten foot pole." },
-	Adler32Test{ 0x16661315, "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
-	Adler32Test{ 0x5b2e1480, "The days of the digital watch are numbered.  -Tom Stoppard" },
-	Adler32Test{ 0x8c3c09ea, "Nepal premier won't resign." },
-	Adler32Test{ 0x45ac18fd, "For every action there is an equal and opposite government program." },
-	Adler32Test{ 0x53c61462, "His money is twice tainted: 'taint yours and 'taint mine." },
-	Adler32Test{ 0x7e511e63, "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
-	Adler32Test{ 0xe4801a6a, "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
-	Adler32Test{ 0x61b507df, "size:  a.out:  bad magic" },
-	Adler32Test{ 0xb8631171, "The major problem is with sendmail.  -Mark Horton" },
-	Adler32Test{ 0x8b5e1904, "Give me a rock, paper and scissors and I will move the world.  CCFestoon" },
-	Adler32Test{ 0x7cc6102b, "If the enemy is within range, then so are you." },
-	Adler32Test{ 0x700318e7, "It's well we cannot hear the screams/That we create in others' dreams." },
-	Adler32Test{ 0x1e601747, "You remind me of a TV show, but that's all right: I watch it anyway." },
-	Adler32Test{ 0xb55b0b09, "C is as portable as Stonehedge!!" },
-	Adler32Test{ 0x39111dd0, "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
-	Adler32Test{ 0x91dd304f, "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule" },
-	Adler32Test{ 0x2e5d1316, "How can you write a big system without C++?  -Paul Glick" },
+var golden = []_Adler32Test {
+	_Adler32Test{ 0x1, "" },
+	_Adler32Test{ 0x620062, "a" },
+	_Adler32Test{ 0x12600c4, "ab" },
+	_Adler32Test{ 0x24d0127, "abc" },
+	_Adler32Test{ 0x3d8018b, "abcd" },
+	_Adler32Test{ 0x5c801f0, "abcde" },
+	_Adler32Test{ 0x81e0256, "abcdef" },
+	_Adler32Test{ 0xadb02bd, "abcdefg" },
+	_Adler32Test{ 0xe000325, "abcdefgh" },
+	_Adler32Test{ 0x118e038e, "abcdefghi" },
+	_Adler32Test{ 0x158603f8, "abcdefghij" },
+	_Adler32Test{ 0x3f090f02, "Discard medicine more than two years old." },
+	_Adler32Test{ 0x46d81477, "He who has a shady past knows that nice guys finish last." },
+	_Adler32Test{ 0x40ee0ee1, "I wouldn't marry him with a ten foot pole." },
+	_Adler32Test{ 0x16661315, "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
+	_Adler32Test{ 0x5b2e1480, "The days of the digital watch are numbered.  -Tom Stoppard" },
+	_Adler32Test{ 0x8c3c09ea, "Nepal premier won't resign." },
+	_Adler32Test{ 0x45ac18fd, "For every action there is an equal and opposite government program." },
+	_Adler32Test{ 0x53c61462, "His money is twice tainted: 'taint yours and 'taint mine." },
+	_Adler32Test{ 0x7e511e63, "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
+	_Adler32Test{ 0xe4801a6a, "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
+	_Adler32Test{ 0x61b507df, "size:  a.out:  bad magic" },
+	_Adler32Test{ 0xb8631171, "The major problem is with sendmail.  -Mark Horton" },
+	_Adler32Test{ 0x8b5e1904, "Give me a rock, paper and scissors and I will move the world.  CCFestoon" },
+	_Adler32Test{ 0x7cc6102b, "If the enemy is within range, then so are you." },
+	_Adler32Test{ 0x700318e7, "It's well we cannot hear the screams/That we create in others' dreams." },
+	_Adler32Test{ 0x1e601747, "You remind me of a TV show, but that's all right: I watch it anyway." },
+	_Adler32Test{ 0xb55b0b09, "C is as portable as Stonehedge!!" },
+	_Adler32Test{ 0x39111dd0, "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
+	_Adler32Test{ 0x91dd304f, "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule" },
+	_Adler32Test{ 0x2e5d1316, "How can you write a big system without C++?  -Paul Glick" },
 }
 
 export func TestGolden(t *testing.T) {
diff --git a/src/lib/hash/crc32.go b/src/lib/hash/crc32.go
index dca75793bc..63e6b8cd69 100644
--- a/src/lib/hash/crc32.go
+++ b/src/lib/hash/crc32.go
@@ -44,7 +44,7 @@ export func MakeTable(poly uint32) Table {
 	return t;
 }
 
-export var ieee = MakeTable(IEEE);
+export var IEEETable = MakeTable(IEEE);
 
 export type Digest struct {
 	crc uint32;
@@ -56,7 +56,7 @@ export func NewDigest(tab Table) *Digest {
 }
 
 export func NewIEEEDigest() *Digest {
-	return NewDigest(ieee);
+	return NewDigest(IEEETable);
 }
 
 func (d *Digest) Write(p []byte) (n int, err *os.Error) {
diff --git a/src/lib/hash/crc32_test.go b/src/lib/hash/crc32_test.go
index c1c0b565f1..a5a206f8b3 100644
--- a/src/lib/hash/crc32_test.go
+++ b/src/lib/hash/crc32_test.go
@@ -10,43 +10,43 @@ import (
 	"testing";
 )
 
-type Crc32Test struct {
+type _Crc32Test struct {
 	out uint32;
 	in string;
 }
 
-var golden = []Crc32Test {
-	Crc32Test{ 0x0, "" },
-	Crc32Test{ 0xe8b7be43, "a" },
-	Crc32Test{ 0x9e83486d, "ab" },
-	Crc32Test{ 0x352441c2, "abc" },
-	Crc32Test{ 0xed82cd11, "abcd" },
-	Crc32Test{ 0x8587d865, "abcde" },
-	Crc32Test{ 0x4b8e39ef, "abcdef" },
-	Crc32Test{ 0x312a6aa6, "abcdefg" },
-	Crc32Test{ 0xaeef2a50, "abcdefgh" },
-	Crc32Test{ 0x8da988af, "abcdefghi" },
-	Crc32Test{ 0x3981703a, "abcdefghij" },
-	Crc32Test{ 0x6b9cdfe7, "Discard medicine more than two years old." },
-	Crc32Test{ 0xc90ef73f, "He who has a shady past knows that nice guys finish last." },
-	Crc32Test{ 0xb902341f, "I wouldn't marry him with a ten foot pole." },
-	Crc32Test{ 0x42080e8, "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
-	Crc32Test{ 0x154c6d11, "The days of the digital watch are numbered.  -Tom Stoppard" },
-	Crc32Test{ 0x4c418325, "Nepal premier won't resign." },
-	Crc32Test{ 0x33955150, "For every action there is an equal and opposite government program." },
-	Crc32Test{ 0x26216a4b, "His money is twice tainted: 'taint yours and 'taint mine." },
-	Crc32Test{ 0x1abbe45e, "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
-	Crc32Test{ 0xc89a94f7, "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
-	Crc32Test{ 0xab3abe14, "size:  a.out:  bad magic" },
-	Crc32Test{ 0xbab102b6, "The major problem is with sendmail.  -Mark Horton" },
-	Crc32Test{ 0x999149d7, "Give me a rock, paper and scissors and I will move the world.  CCFestoon" },
-	Crc32Test{ 0x6d52a33c, "If the enemy is within range, then so are you." },
-	Crc32Test{ 0x90631e8d, "It's well we cannot hear the screams/That we create in others' dreams." },
-	Crc32Test{ 0x78309130, "You remind me of a TV show, but that's all right: I watch it anyway." },
-	Crc32Test{ 0x7d0a377f, "C is as portable as Stonehedge!!" },
-	Crc32Test{ 0x8c79fd79, "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
-	Crc32Test{ 0xa20b7167, "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule" },
-	Crc32Test{ 0x8e0bb443, "How can you write a big system without C++?  -Paul Glick" },
+var golden = []_Crc32Test {
+	_Crc32Test{ 0x0, "" },
+	_Crc32Test{ 0xe8b7be43, "a" },
+	_Crc32Test{ 0x9e83486d, "ab" },
+	_Crc32Test{ 0x352441c2, "abc" },
+	_Crc32Test{ 0xed82cd11, "abcd" },
+	_Crc32Test{ 0x8587d865, "abcde" },
+	_Crc32Test{ 0x4b8e39ef, "abcdef" },
+	_Crc32Test{ 0x312a6aa6, "abcdefg" },
+	_Crc32Test{ 0xaeef2a50, "abcdefgh" },
+	_Crc32Test{ 0x8da988af, "abcdefghi" },
+	_Crc32Test{ 0x3981703a, "abcdefghij" },
+	_Crc32Test{ 0x6b9cdfe7, "Discard medicine more than two years old." },
+	_Crc32Test{ 0xc90ef73f, "He who has a shady past knows that nice guys finish last." },
+	_Crc32Test{ 0xb902341f, "I wouldn't marry him with a ten foot pole." },
+	_Crc32Test{ 0x42080e8, "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
+	_Crc32Test{ 0x154c6d11, "The days of the digital watch are numbered.  -Tom Stoppard" },
+	_Crc32Test{ 0x4c418325, "Nepal premier won't resign." },
+	_Crc32Test{ 0x33955150, "For every action there is an equal and opposite government program." },
+	_Crc32Test{ 0x26216a4b, "His money is twice tainted: 'taint yours and 'taint mine." },
+	_Crc32Test{ 0x1abbe45e, "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
+	_Crc32Test{ 0xc89a94f7, "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
+	_Crc32Test{ 0xab3abe14, "size:  a.out:  bad magic" },
+	_Crc32Test{ 0xbab102b6, "The major problem is with sendmail.  -Mark Horton" },
+	_Crc32Test{ 0x999149d7, "Give me a rock, paper and scissors and I will move the world.  CCFestoon" },
+	_Crc32Test{ 0x6d52a33c, "If the enemy is within range, then so are you." },
+	_Crc32Test{ 0x90631e8d, "It's well we cannot hear the screams/That we create in others' dreams." },
+	_Crc32Test{ 0x78309130, "You remind me of a TV show, but that's all right: I watch it anyway." },
+	_Crc32Test{ 0x7d0a377f, "C is as portable as Stonehedge!!" },
+	_Crc32Test{ 0x8c79fd79, "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
+	_Crc32Test{ 0xa20b7167, "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule" },
+	_Crc32Test{ 0x8e0bb443, "How can you write a big system without C++?  -Paul Glick" },
 }
 
 export func TestGolden(t *testing.T) {
diff --git a/src/lib/hash/md5.go b/src/lib/hash/md5.go
index 37dd2a4e6b..b9a79dec34 100644
--- a/src/lib/hash/md5.go
+++ b/src/lib/hash/md5.go
@@ -8,54 +8,52 @@ package md5
 
 import "os"
 
-package const (
-	Chunk = 64
-)
-
 const (
-	A = 0x67452301;
-	B = 0xEFCDAB89;
-	C = 0x98BADCFE;
-	D = 0x10325476;
+	_Chunk = 64;
+
+	_Init0 = 0x67452301;
+	_Init1 = 0xEFCDAB89;
+	_Init2 = 0x98BADCFE;
+	_Init3 = 0x10325476;
 )
 
 export type Digest struct {
 	s [4]uint32;
-	x [Chunk]byte;
+	x [_Chunk]byte;
 	nx int;
 	len uint64;
 }
 
 export func NewDigest() *Digest {
 	d := new(Digest);
-	d.s[0] = A;
-	d.s[1] = B;
-	d.s[2] = C;
-	d.s[3] = D;
+	d.s[0] = _Init0;
+	d.s[1] = _Init1;
+	d.s[2] = _Init2;
+	d.s[3] = _Init3;
 	return d;
 }
 
-package func Block(dig *Digest, p []byte) int
+func _Block(dig *Digest, p []byte) int
 
 func (d *Digest) Write(p []byte) (nn int, err *os.Error) {
 	nn = len(p);
 	d.len += uint64(nn);
 	if d.nx > 0 {
 		n := len(p);
-		if n > Chunk-d.nx {
-			n = Chunk-d.nx;
+		if n > _Chunk-d.nx {
+			n = _Chunk-d.nx;
 		}
 		for i := 0; i < n; i++ {
 			d.x[d.nx+i] = p[i];
 		}
 		d.nx += n;
-		if d.nx == Chunk {
-			Block(d, d.x);
+		if d.nx == _Chunk {
+			_Block(d, d.x);
 			d.nx = 0;
 		}
 		p = p[n:len(p)];
 	}
-	n := Block(d, p);
+	n := _Block(d, p);
 	p = p[n:len(p)];
 	if len(p) > 0 {
 		for i := 0; i < len(p); i++ {
diff --git a/src/lib/hash/md5_test.go b/src/lib/hash/md5_test.go
index c99cfa5a68..377df03752 100644
--- a/src/lib/hash/md5_test.go
+++ b/src/lib/hash/md5_test.go
@@ -5,58 +5,49 @@
 package md5
 
 import (
-	"md5";
+	"fmt";
 	"io";
+	"md5";
 	"testing";
 )
 
-type Md5Test struct {
+type md5Test struct {
 	out string;
 	in string;
 }
 
-var golden = []Md5Test {
-	Md5Test{ "d41d8cd98f00b204e9800998ecf8427e", "" },
-	Md5Test{ "0cc175b9c0f1b6a831c399e269772661", "a" },
-	Md5Test{ "187ef4436122d1cc2f40dc2b92f0eba0", "ab" },
-	Md5Test{ "900150983cd24fb0d6963f7d28e17f72", "abc" },
-	Md5Test{ "e2fc714c4727ee9395f324cd2e7f331f", "abcd" },
-	Md5Test{ "ab56b4d92b40713acc5af89985d4b786", "abcde" },
-	Md5Test{ "e80b5017098950fc58aad83c8c14978e", "abcdef" },
-	Md5Test{ "7ac66c0f148de9519b8bd264312c4d64", "abcdefg" },
-	Md5Test{ "e8dc4081b13434b45189a720b77b6818", "abcdefgh" },
-	Md5Test{ "8aa99b1f439ff71293e95357bac6fd94", "abcdefghi" },
-	Md5Test{ "a925576942e94b2ef57a066101b48876", "abcdefghij" },
-	Md5Test{ "d747fc1719c7eacb84058196cfe56d57", "Discard medicine more than two years old." },
-	Md5Test{ "bff2dcb37ef3a44ba43ab144768ca837", "He who has a shady past knows that nice guys finish last." },
-	Md5Test{ "0441015ecb54a7342d017ed1bcfdbea5", "I wouldn't marry him with a ten foot pole." },
-	Md5Test{ "9e3cac8e9e9757a60c3ea391130d3689", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
-	Md5Test{ "a0f04459b031f916a59a35cc482dc039", "The days of the digital watch are numbered.  -Tom Stoppard" },
-	Md5Test{ "e7a48e0fe884faf31475d2a04b1362cc", "Nepal premier won't resign." },
-	Md5Test{ "637d2fe925c07c113800509964fb0e06", "For every action there is an equal and opposite government program." },
-	Md5Test{ "834a8d18d5c6562119cf4c7f5086cb71", "His money is twice tainted: 'taint yours and 'taint mine." },
-	Md5Test{ "de3a4d2fd6c73ec2db2abad23b444281", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
-	Md5Test{ "acf203f997e2cf74ea3aff86985aefaf", "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
-	Md5Test{ "e1c1384cb4d2221dfdd7c795a4222c9a", "size:  a.out:  bad magic" },
-	Md5Test{ "c90f3ddecc54f34228c063d7525bf644", "The major problem is with sendmail.  -Mark Horton" },
-	Md5Test{ "cdf7ab6c1fd49bd9933c43f3ea5af185", "Give me a rock, paper and scissors and I will move the world.  CCFestoon" },
-	Md5Test{ "83bc85234942fc883c063cbd7f0ad5d0", "If the enemy is within range, then so are you." },
-	Md5Test{ "277cbe255686b48dd7e8f389394d9299", "It's well we cannot hear the screams/That we create in others' dreams." },
-	Md5Test{ "fd3fb0a7ffb8af16603f3d3af98f8e1f", "You remind me of a TV show, but that's all right: I watch it anyway." },
-	Md5Test{ "469b13a78ebf297ecda64d4723655154", "C is as portable as Stonehedge!!" },
-	Md5Test{ "63eb3a2f466410104731c4b037600110", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
-	Md5Test{ "72c2ed7592debca1c90fc0100f931a2f", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule" },
-	Md5Test{ "132f7619d33b523b1d9e5bd8e0928355", "How can you write a big system without C++?  -Paul Glick" },
-}
-
-func Hex(p []byte) string {
-	s := "";
-	for i := 0; i < len(p); i++ {
-		v := p[i];
-		s += string("0123456789abcdef"[v>>4]);
-		s += string("0123456789abcdef"[v&15]);
-	}
-	return s;
+var golden = []md5Test {
+	md5Test{ "d41d8cd98f00b204e9800998ecf8427e", "" },
+	md5Test{ "0cc175b9c0f1b6a831c399e269772661", "a" },
+	md5Test{ "187ef4436122d1cc2f40dc2b92f0eba0", "ab" },
+	md5Test{ "900150983cd24fb0d6963f7d28e17f72", "abc" },
+	md5Test{ "e2fc714c4727ee9395f324cd2e7f331f", "abcd" },
+	md5Test{ "ab56b4d92b40713acc5af89985d4b786", "abcde" },
+	md5Test{ "e80b5017098950fc58aad83c8c14978e", "abcdef" },
+	md5Test{ "7ac66c0f148de9519b8bd264312c4d64", "abcdefg" },
+	md5Test{ "e8dc4081b13434b45189a720b77b6818", "abcdefgh" },
+	md5Test{ "8aa99b1f439ff71293e95357bac6fd94", "abcdefghi" },
+	md5Test{ "a925576942e94b2ef57a066101b48876", "abcdefghij" },
+	md5Test{ "d747fc1719c7eacb84058196cfe56d57", "Discard medicine more than two years old." },
+	md5Test{ "bff2dcb37ef3a44ba43ab144768ca837", "He who has a shady past knows that nice guys finish last." },
+	md5Test{ "0441015ecb54a7342d017ed1bcfdbea5", "I wouldn't marry him with a ten foot pole." },
+	md5Test{ "9e3cac8e9e9757a60c3ea391130d3689", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
+	md5Test{ "a0f04459b031f916a59a35cc482dc039", "The days of the digital watch are numbered.  -Tom Stoppard" },
+	md5Test{ "e7a48e0fe884faf31475d2a04b1362cc", "Nepal premier won't resign." },
+	md5Test{ "637d2fe925c07c113800509964fb0e06", "For every action there is an equal and opposite government program." },
+	md5Test{ "834a8d18d5c6562119cf4c7f5086cb71", "His money is twice tainted: 'taint yours and 'taint mine." },
+	md5Test{ "de3a4d2fd6c73ec2db2abad23b444281", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
+	md5Test{ "acf203f997e2cf74ea3aff86985aefaf", "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
+	md5Test{ "e1c1384cb4d2221dfdd7c795a4222c9a", "size:  a.out:  bad magic" },
+	md5Test{ "c90f3ddecc54f34228c063d7525bf644", "The major problem is with sendmail.  -Mark Horton" },
+	md5Test{ "cdf7ab6c1fd49bd9933c43f3ea5af185", "Give me a rock, paper and scissors and I will move the world.  CCFestoon" },
+	md5Test{ "83bc85234942fc883c063cbd7f0ad5d0", "If the enemy is within range, then so are you." },
+	md5Test{ "277cbe255686b48dd7e8f389394d9299", "It's well we cannot hear the screams/That we create in others' dreams." },
+	md5Test{ "fd3fb0a7ffb8af16603f3d3af98f8e1f", "You remind me of a TV show, but that's all right: I watch it anyway." },
+	md5Test{ "469b13a78ebf297ecda64d4723655154", "C is as portable as Stonehedge!!" },
+	md5Test{ "63eb3a2f466410104731c4b037600110", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
+	md5Test{ "72c2ed7592debca1c90fc0100f931a2f", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule" },
+	md5Test{ "132f7619d33b523b1d9e5bd8e0928355", "How can you write a big system without C++?  -Paul Glick" },
 }
 
 export func TestGolden(t *testing.T) {
@@ -64,7 +55,7 @@ export func TestGolden(t *testing.T) {
 		g := golden[i];
 		c := NewDigest();
 		io.WriteString(c, g.in);
-		s := Hex(c.Sum());
+		s := fmt.Sprintf("%x", c.Sum());
 		if s != g.out {
 			t.Errorf("md5(%s) = %s want %s", g.in, s, g.out);
 			t.FailNow();
diff --git a/src/lib/hash/md5block.go b/src/lib/hash/md5block.go
index fcea12193f..7974dbf0b9 100644
--- a/src/lib/hash/md5block.go
+++ b/src/lib/hash/md5block.go
@@ -10,79 +10,79 @@ package md5
 
 import "md5"
 
-// T[i] = int((1<<32) * abs(sin(i+1 radians))).
-var T = []uint32 {
+// table[i] = int((1<<32) * abs(sin(i+1 radians))).
+var table = []uint32 {
 	// round 1
-	0xd76aa478,	
+	0xd76aa478,
 	0xe8c7b756,
-	0x242070db,	
-	0xc1bdceee,	
-	0xf57c0faf,	
-	0x4787c62a,	
-	0xa8304613,	
-	0xfd469501,	
-	0x698098d8,	
-	0x8b44f7af,	
-	0xffff5bb1,	
-	0x895cd7be,	
-	0x6b901122,	
-	0xfd987193,	
-	0xa679438e,	
+	0x242070db,
+	0xc1bdceee,
+	0xf57c0faf,
+	0x4787c62a,
+	0xa8304613,
+	0xfd469501,
+	0x698098d8,
+	0x8b44f7af,
+	0xffff5bb1,
+	0x895cd7be,
+	0x6b901122,
+	0xfd987193,
+	0xa679438e,
 	0x49b40821,
 
 	// round 2
-	0xf61e2562,	
-	0xc040b340,	
-	0x265e5a51,	
-	0xe9b6c7aa,	
-	0xd62f105d,	
-	0x2441453,	
-	0xd8a1e681,	
-	0xe7d3fbc8,	
-	0x21e1cde6,	
-	0xc33707d6,	
-	0xf4d50d87,	
-	0x455a14ed,	
-	0xa9e3e905,	
-	0xfcefa3f8,	
-	0x676f02d9,	
+	0xf61e2562,
+	0xc040b340,
+	0x265e5a51,
+	0xe9b6c7aa,
+	0xd62f105d,
+	0x2441453,
+	0xd8a1e681,
+	0xe7d3fbc8,
+	0x21e1cde6,
+	0xc33707d6,
+	0xf4d50d87,
+	0x455a14ed,
+	0xa9e3e905,
+	0xfcefa3f8,
+	0x676f02d9,
 	0x8d2a4c8a,
 
 	// round3
-	0xfffa3942,	
-	0x8771f681,	
-	0x6d9d6122,	
-	0xfde5380c,	
-	0xa4beea44,	
-	0x4bdecfa9,	
-	0xf6bb4b60,	
-	0xbebfbc70,	
-	0x289b7ec6,	
-	0xeaa127fa,	
-	0xd4ef3085,	
-	0x4881d05,	
-	0xd9d4d039,	
-	0xe6db99e5,	
-	0x1fa27cf8,	
-	0xc4ac5665,	
+	0xfffa3942,
+	0x8771f681,
+	0x6d9d6122,
+	0xfde5380c,
+	0xa4beea44,
+	0x4bdecfa9,
+	0xf6bb4b60,
+	0xbebfbc70,
+	0x289b7ec6,
+	0xeaa127fa,
+	0xd4ef3085,
+	0x4881d05,
+	0xd9d4d039,
+	0xe6db99e5,
+	0x1fa27cf8,
+	0xc4ac5665,
 
 	// round 4
-	0xf4292244,	
-	0x432aff97,	
-	0xab9423a7,	
-	0xfc93a039,	
-	0x655b59c3,	
-	0x8f0ccc92,	
-	0xffeff47d,	
-	0x85845dd1,	
-	0x6fa87e4f,	
-	0xfe2ce6e0,	
-	0xa3014314,	
-	0x4e0811a1,	
-	0xf7537e82,	
-	0xbd3af235,	
-	0x2ad7d2bb,	
-	0xeb86d391,	
+	0xf4292244,
+	0x432aff97,
+	0xab9423a7,
+	0xfc93a039,
+	0x655b59c3,
+	0x8f0ccc92,
+	0xffeff47d,
+	0x85845dd1,
+	0x6fa87e4f,
+	0xfe2ce6e0,
+	0xa3014314,
+	0x4e0811a1,
+	0xf7537e82,
+	0xbd3af235,
+	0x2ad7d2bb,
+	0xeb86d391,
 }
 
 var shift1 = []uint { 7, 12, 17, 22 };
@@ -90,16 +90,16 @@ var shift2 = []uint { 5, 9, 14, 20 };
 var shift3 = []uint { 4, 11, 16, 23 };
 var shift4 = []uint { 6, 10, 15, 21 };
 
-package func Block(dig *Digest, p []byte) int {
+func _Block(dig *Digest, p []byte) int {
 	a := dig.s[0];
 	b := dig.s[1];
 	c := dig.s[2];
 	d := dig.s[3];
 	n := 0;
 	var X [16]uint32;
-	for len(p) >= Chunk {
+	for len(p) >= _Chunk {
 		aa, bb, cc, dd := a, b, c, d;
-	
+
 		for i := 0; i < 16; i++ {
 			j := i*4;
 			X[i] = uint32(p[j]) | uint32(p[j+1])<<8 | uint32(p[j+2])<<16 | uint32(p[j+3])<<24;
@@ -119,43 +119,43 @@ package func Block(dig *Digest, p []byte) int {
 			t := i;
 			s := shift1[i%4];
 			f := ((c ^ d) & b) ^ d;
-			a += f + X[x] + T[t];
+			a += f + X[x] + table[t];
 			a = a<<s | a>>(32-s);
 			a += b;
 			a, b, c, d = d, a, b, c;
 		}
-	
+
 		// Round 2.
 		for i := 0; i < 16; i++ {
 			x := (1+5*i)%16;
 			t := 16+i;
 			s := shift2[i%4];
 			g := ((b ^ c) & d) ^ c;
-			a += g + X[x] + T[t];
+			a += g + X[x] + table[t];
 			a = a<<s | a>>(32-s);
 			a += b;
 			a, b, c, d = d, a, b, c;
 		}
-	
+
 		// Round 3.
 		for i := 0; i < 16; i++ {
 			x := (5+3*i)%16;
 			t := 32+i;
 			s := shift3[i%4];
 			h := b ^ c ^ d;
-			a += h + X[x] + T[t];
+			a += h + X[x] + table[t];
 			a = a<<s | a>>(32-s);
 			a += b;
 			a, b, c, d = d, a, b, c;
 		}
-		
+
 		// Round 4.
 		for i := 0; i < 16; i++ {
 			x := (7*i)%16;
 			s := shift4[i%4];
 			t := 48+i;
 			ii := c ^ (b | ^d);
-			a += ii + X[x] + T[t];
+			a += ii + X[x] + table[t];
 			a = a<<s | a>>(32-s);
 			a += b;
 			a, b, c, d = d, a, b, c;
@@ -165,11 +165,11 @@ package func Block(dig *Digest, p []byte) int {
 		b += bb;
 		c += cc;
 		d += dd;
-		
-		p = p[Chunk:len(p)];
-		n += Chunk;
+
+		p = p[_Chunk:len(p)];
+		n += _Chunk;
 	}
-	
+
 	dig.s[0] = a;
 	dig.s[1] = b;
 	dig.s[2] = c;
diff --git a/src/lib/hash/sha1.go b/src/lib/hash/sha1.go
index da50e46e82..1cb7668403 100644
--- a/src/lib/hash/sha1.go
+++ b/src/lib/hash/sha1.go
@@ -8,56 +8,54 @@ package sha1
 
 import "os"
 
-package const (
-	Chunk = 64;
-)
-
 const (
-	H0 = 0x67452301;
-	H1 = 0xEFCDAB89;
-	H2 = 0x98BADCFE;
-	H3 = 0x10325476;
-	H4 = 0xC3D2E1F0;
+	_Chunk = 64;
+
+	_Init0 = 0x67452301;
+	_Init1 = 0xEFCDAB89;
+	_Init2 = 0x98BADCFE;
+	_Init3 = 0x10325476;
+	_Init4 = 0xC3D2E1F0;
 )
 
 export type Digest struct {
 	h [5]uint32;
-	x [Chunk]byte;
+	x [_Chunk]byte;
 	nx int;
 	len uint64;
 }
 
 export func NewDigest() *Digest {
 	d := new(Digest);
-	d.h[0] = H0;
-	d.h[1] = H1;
-	d.h[2] = H2;
-	d.h[3] = H3;
-	d.h[4] = H4;
+	d.h[0] = _Init0;
+	d.h[1] = _Init1;
+	d.h[2] = _Init2;
+	d.h[3] = _Init3;
+	d.h[4] = _Init4;
 	return d;
 }
 
-package func Block(dig *Digest, p []byte) int
+func _Block(dig *Digest, p []byte) int
 
 func (d *Digest) Write(p []byte) (nn int, err *os.Error) {
 	nn = len(p);
 	d.len += uint64(nn);
 	if d.nx > 0 {
 		n := len(p);
-		if n > Chunk-d.nx {
-			n = Chunk-d.nx;
+		if n > _Chunk-d.nx {
+			n = _Chunk-d.nx;
 		}
 		for i := 0; i < n; i++ {
 			d.x[d.nx+i] = p[i];
 		}
 		d.nx += n;
-		if d.nx == Chunk {
-			Block(d, d.x);
+		if d.nx == _Chunk {
+			_Block(d, d.x);
 			d.nx = 0;
 		}
 		p = p[n:len(p)];
 	}
-	n := Block(d, p);
+	n := _Block(d, p);
 	p = p[n:len(p)];
 	if len(p) > 0 {
 		for i := 0; i < len(p); i++ {
diff --git a/src/lib/hash/sha1_test.go b/src/lib/hash/sha1_test.go
index 15ce2b779d..21194f3460 100644
--- a/src/lib/hash/sha1_test.go
+++ b/src/lib/hash/sha1_test.go
@@ -7,58 +7,49 @@
 package sha1
 
 import (
-	"sha1";
+	"fmt";
 	"io";
+	"sha1";
 	"testing";
 )
 
-type Sha1Test struct {
+type sha1Test struct {
 	out string;
 	in string;
 }
 
-var golden = []Sha1Test {
-	Sha1Test{ "da39a3ee5e6b4b0d3255bfef95601890afd80709", "" },
-	Sha1Test{ "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8", "a" },
-	Sha1Test{ "da23614e02469a0d7c7bd1bdab5c9c474b1904dc", "ab" },
-	Sha1Test{ "a9993e364706816aba3e25717850c26c9cd0d89d", "abc" },
-	Sha1Test{ "81fe8bfe87576c3ecb22426f8e57847382917acf", "abcd" },
-	Sha1Test{ "03de6c570bfe24bfc328ccd7ca46b76eadaf4334", "abcde" },
-	Sha1Test{ "1f8ac10f23c5b5bc1167bda84b833e5c057a77d2", "abcdef" },
-	Sha1Test{ "2fb5e13419fc89246865e7a324f476ec624e8740", "abcdefg" },
-	Sha1Test{ "425af12a0743502b322e93a015bcf868e324d56a", "abcdefgh" },
-	Sha1Test{ "c63b19f1e4c8b5f76b25c49b8b87f57d8e4872a1", "abcdefghi" },
-	Sha1Test{ "d68c19a0a345b7eab78d5e11e991c026ec60db63", "abcdefghij" },
-	Sha1Test{ "ebf81ddcbe5bf13aaabdc4d65354fdf2044f38a7", "Discard medicine more than two years old." },
-	Sha1Test{ "e5dea09392dd886ca63531aaa00571dc07554bb6", "He who has a shady past knows that nice guys finish last." },
-	Sha1Test{ "45988f7234467b94e3e9494434c96ee3609d8f8f", "I wouldn't marry him with a ten foot pole." },
-	Sha1Test{ "55dee037eb7460d5a692d1ce11330b260e40c988", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
-	Sha1Test{ "b7bc5fb91080c7de6b582ea281f8a396d7c0aee8", "The days of the digital watch are numbered.  -Tom Stoppard" },
-	Sha1Test{ "c3aed9358f7c77f523afe86135f06b95b3999797", "Nepal premier won't resign." },
-	Sha1Test{ "6e29d302bf6e3a5e4305ff318d983197d6906bb9", "For every action there is an equal and opposite government program." },
-	Sha1Test{ "597f6a540010f94c15d71806a99a2c8710e747bd", "His money is twice tainted: 'taint yours and 'taint mine." },
-	Sha1Test{ "6859733b2590a8a091cecf50086febc5ceef1e80", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
-	Sha1Test{ "514b2630ec089b8aee18795fc0cf1f4860cdacad", "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
-	Sha1Test{ "c5ca0d4a7b6676fc7aa72caa41cc3d5df567ed69", "size:  a.out:  bad magic" },
-	Sha1Test{ "74c51fa9a04eadc8c1bbeaa7fc442f834b90a00a", "The major problem is with sendmail.  -Mark Horton" },
-	Sha1Test{ "0b4c4ce5f52c3ad2821852a8dc00217fa18b8b66", "Give me a rock, paper and scissors and I will move the world.  CCFestoon" },
-	Sha1Test{ "3ae7937dd790315beb0f48330e8642237c61550a", "If the enemy is within range, then so are you." },
-	Sha1Test{ "410a2b296df92b9a47412b13281df8f830a9f44b", "It's well we cannot hear the screams/That we create in others' dreams." },
-	Sha1Test{ "841e7c85ca1adcddbdd0187f1289acb5c642f7f5", "You remind me of a TV show, but that's all right: I watch it anyway." },
-	Sha1Test{ "163173b825d03b952601376b25212df66763e1db", "C is as portable as Stonehedge!!" },
-	Sha1Test{ "32b0377f2687eb88e22106f133c586ab314d5279", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
-	Sha1Test{ "0885aaf99b569542fd165fa44e322718f4a984e0", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule" },
-	Sha1Test{ "6627d6904d71420b0bf3886ab629623538689f45", "How can you write a big system without C++?  -Paul Glick" },
-}
-
-func Hex(p []byte) string {
-	s := "";
-	for i := 0; i < len(p); i++ {
-		v := p[i];
-		s += string("0123456789abcdef"[v>>4]);
-		s += string("0123456789abcdef"[v&15]);
-	}
-	return s;
+var golden = []sha1Test {
+	sha1Test{ "da39a3ee5e6b4b0d3255bfef95601890afd80709", "" },
+	sha1Test{ "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8", "a" },
+	sha1Test{ "da23614e02469a0d7c7bd1bdab5c9c474b1904dc", "ab" },
+	sha1Test{ "a9993e364706816aba3e25717850c26c9cd0d89d", "abc" },
+	sha1Test{ "81fe8bfe87576c3ecb22426f8e57847382917acf", "abcd" },
+	sha1Test{ "03de6c570bfe24bfc328ccd7ca46b76eadaf4334", "abcde" },
+	sha1Test{ "1f8ac10f23c5b5bc1167bda84b833e5c057a77d2", "abcdef" },
+	sha1Test{ "2fb5e13419fc89246865e7a324f476ec624e8740", "abcdefg" },
+	sha1Test{ "425af12a0743502b322e93a015bcf868e324d56a", "abcdefgh" },
+	sha1Test{ "c63b19f1e4c8b5f76b25c49b8b87f57d8e4872a1", "abcdefghi" },
+	sha1Test{ "d68c19a0a345b7eab78d5e11e991c026ec60db63", "abcdefghij" },
+	sha1Test{ "ebf81ddcbe5bf13aaabdc4d65354fdf2044f38a7", "Discard medicine more than two years old." },
+	sha1Test{ "e5dea09392dd886ca63531aaa00571dc07554bb6", "He who has a shady past knows that nice guys finish last." },
+	sha1Test{ "45988f7234467b94e3e9494434c96ee3609d8f8f", "I wouldn't marry him with a ten foot pole." },
+	sha1Test{ "55dee037eb7460d5a692d1ce11330b260e40c988", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
+	sha1Test{ "b7bc5fb91080c7de6b582ea281f8a396d7c0aee8", "The days of the digital watch are numbered.  -Tom Stoppard" },
+	sha1Test{ "c3aed9358f7c77f523afe86135f06b95b3999797", "Nepal premier won't resign." },
+	sha1Test{ "6e29d302bf6e3a5e4305ff318d983197d6906bb9", "For every action there is an equal and opposite government program." },
+	sha1Test{ "597f6a540010f94c15d71806a99a2c8710e747bd", "His money is twice tainted: 'taint yours and 'taint mine." },
+	sha1Test{ "6859733b2590a8a091cecf50086febc5ceef1e80", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
+	sha1Test{ "514b2630ec089b8aee18795fc0cf1f4860cdacad", "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
+	sha1Test{ "c5ca0d4a7b6676fc7aa72caa41cc3d5df567ed69", "size:  a.out:  bad magic" },
+	sha1Test{ "74c51fa9a04eadc8c1bbeaa7fc442f834b90a00a", "The major problem is with sendmail.  -Mark Horton" },
+	sha1Test{ "0b4c4ce5f52c3ad2821852a8dc00217fa18b8b66", "Give me a rock, paper and scissors and I will move the world.  CCFestoon" },
+	sha1Test{ "3ae7937dd790315beb0f48330e8642237c61550a", "If the enemy is within range, then so are you." },
+	sha1Test{ "410a2b296df92b9a47412b13281df8f830a9f44b", "It's well we cannot hear the screams/That we create in others' dreams." },
+	sha1Test{ "841e7c85ca1adcddbdd0187f1289acb5c642f7f5", "You remind me of a TV show, but that's all right: I watch it anyway." },
+	sha1Test{ "163173b825d03b952601376b25212df66763e1db", "C is as portable as Stonehedge!!" },
+	sha1Test{ "32b0377f2687eb88e22106f133c586ab314d5279", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
+	sha1Test{ "0885aaf99b569542fd165fa44e322718f4a984e0", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction.  Lewis-Randall Rule" },
+	sha1Test{ "6627d6904d71420b0bf3886ab629623538689f45", "How can you write a big system without C++?  -Paul Glick" },
 }
 
 export func TestGolden(t *testing.T) {
@@ -66,7 +57,7 @@ export func TestGolden(t *testing.T) {
 		g := golden[i];
 		c := NewDigest();
 		io.WriteString(c, g.in);
-		s := Hex(c.Sum());
+		s := fmt.Sprintf("%x", c.Sum());
 		if s != g.out {
 			t.Errorf("sha1(%s) = %s want %s", g.in, s, g.out);
 			t.FailNow();
diff --git a/src/lib/hash/sha1block.go b/src/lib/hash/sha1block.go
index b5052b712e..f4555b2a47 100644
--- a/src/lib/hash/sha1block.go
+++ b/src/lib/hash/sha1block.go
@@ -11,18 +11,18 @@ package sha1
 import "sha1"
 
 const (
-	K0 = 0x5A827999;
-	K1 = 0x6ED9EBA1;
-	K2 = 0x8F1BBCDC;
-	K3 = 0xCA62C1D6;
+	_K0 = 0x5A827999;
+	_K1 = 0x6ED9EBA1;
+	_K2 = 0x8F1BBCDC;
+	_K3 = 0xCA62C1D6;
 )
 
-package func Block(dig *Digest, p []byte) int {
+func _Block(dig *Digest, p []byte) int {
 	var w [80]uint32;
 
 	n := 0;
 	h0, h1, h2, h3, h4 := dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4];
-	for len(p) >= Chunk {
+	for len(p) >= _Chunk {
 		// Can interlace the computation of w with the
 		// rounds below if needed for speed.
 		for i := 0; i < 16; i++ {
@@ -41,33 +41,33 @@ package func Block(dig *Digest, p []byte) int {
 
 		// Each of the four 20-iteration rounds
 		// differs only in the computation of f and
-		// the choice of K (K0, K1, etc).
+		// the choice of K (_K0, _K1, etc).
 		for i := 0; i < 20; i++ {
 			f := b&c | (^b)&d;
 			a5 := a<<5 | a>>(32-5);
 			b30 := b<<30 | b>>(32-30);
-			t := a5 + f + e + w[i] + K0;
+			t := a5 + f + e + w[i] + _K0;
 			a, b, c, d, e = t, a, b30, c, d;
 		}
 		for i := 20; i < 40; i++ {
 			f := b ^ c ^ d;
 			a5 := a<<5 | a>>(32-5);
 			b30 := b<<30 | b>>(32-30);
-			t := a5 + f + e + w[i] + K1;
+			t := a5 + f + e + w[i] + _K1;
 			a, b, c, d, e = t, a, b30, c, d;
 		}
 		for i := 40; i < 60; i++ {
 			f := b&c | b&d | c&d;
 			a5 := a<<5 | a>>(32-5);
 			b30 := b<<30 | b>>(32-30);
-			t := a5 + f + e + w[i] + K2;
+			t := a5 + f + e + w[i] + _K2;
 			a, b, c, d, e = t, a, b30, c, d;
 		}
 		for i := 60; i < 80; i++ {
 			f := b ^ c ^ d;
 			a5 := a<<5 | a>>(32-5);
 			b30 := b<<30 | b>>(32-30);
-			t := a5 + f + e + w[i] + K3;
+			t := a5 + f + e + w[i] + _K3;
 			a, b, c, d, e = t, a, b30, c, d;
 		}
 
@@ -77,8 +77,8 @@ package func Block(dig *Digest, p []byte) int {
 		h3 += d;
 		h4 += e;
 
-		p = p[Chunk:len(p)];
-		n += Chunk;
+		p = p[_Chunk:len(p)];
+		n += _Chunk;
 	}
 
 	dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4] = h0, h1, h2, h3, h4;